If the ciliary muscle of the eye is damaged, then
a. color vision will be lost.
b. the amount of light entering the eye cannot be
regulated.
c. focusing will be impaired.
d. only peripheral vision is available.
e. “night blindness” will become more evident.
Answer: c
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A high concentration of chlorophyll imbedded in the plasma membrane fold of a newly discovered species of bacteria suggests a:
A. Chemolithoautotrophic metabolism B. Chemoheterotrophic metabolism C. Photoautotrophic metabolism D. Photoheterotrophic metabolism Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about bacterial metabolism? How does it relate to the question? · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Normal and sickle-cell hemoglobin molecules differ
A) in the number of amino acids in each molecule. B) by a single DNA point mutation that leads to the substitution of one amino acid for another. C) in the number and orientation of the amino acid chains attached to the heme portion of each molecule. D) in the number of oxygen molecules that can be carried by each molecule. E) by the type of bone marrow that produces them.
Cells become progressively organized into recognizable structures through a process known as:
a. morphogenesis. b. determination. c. cell differentiation. d. pattern formation. e. growth.
Consider two loci (A, B) each with two alleles (A, a; B, b). The frequency of A is known to be = 0.3, the frequency of b is known to be = 0.25 and the value of linkage disequilib-rium between loci A and B is known to be = 0.15
What is the expected haplotype frequency of haB? Please show your work. What will be an ideal response?